Company lists · Data refreshed September 2026

Top 25 Patent law firms based in Sydney, Australia

Name: Patent law firms based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 13, 2026 32 companies tracked

RevenueBase identified 32 patent law firms headquartered in Sydney, Australia as of September 2026 and tracks 770 professional contacts across them, including 483 with verified work emails and 30 with mobile numbers. Across Australia, Sydney is the largest hub for this category.

This list covers patent law firms headquartered in Sydney, Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 13, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 13, 2026 86% judged on-target in blind review

32Companies

770Contacts tracked

483Verified emails

30Mobile numbers

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The 25 largest patent law firms based in Sydney, Australia

Ranked by team size

Top 25 of 32 patent law firms based in Sydney, Australia, ranked by team size, largest first. Data refreshed Sep 13, 2026. RevenueBase Smart Search rates how each company's information relates to patent law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Spruson & Ferguson	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	201-500	369 contacts →
	Indirect evidence “Spruson & Ferguson is a leading provider of intellectual property (IP) services across the Asia-Pacific region, with more than 490 staff working from our offices in Bangkok…” Source: RevenueBase Database · checked Sep 13, 2026
2	FB Rice	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	201-500	191 contacts →
	Indirect evidence “Since being founded more than 75 years ago, we have become Australia’s most trusted intellectual property firm with offices across the country and a well-established presence in…” Source: RevenueBase Database · checked Sep 13, 2026
3	Banki Haddock Fiora	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	11-50	31 contacts →
	Partial evidence “Banki Haddock Fiora is an Australian commercial law firm specialising in intellectual property, technology and media law.” Source: RevenueBase Database · checked Sep 13, 2026
4	Pearce IP	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	11-50	18 contacts →
	Indirect evidence “Pearce IP is an award winning, market leading, specialist intellectual property firm offering life sciences focussed lawyers and attorneys with science backgrounds.” Source: RevenueBase Database · checked Sep 13, 2026
5	Shelston IP	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	51-200	18 contacts →
	Indirect evidence “On 1 November 2021, Shelston IP and Spruson & Ferguson (Australia) joined to create Australia’s largest IP firm, operating under the Spruson & Ferguson brand.” Source: RevenueBase Database · checked Sep 13, 2026
6	Halfords IP	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	11-50	16 contacts →
	Partial evidence “Halfords IP is a proudly independent, boutique patent and trade mark attorney firm.” Source: RevenueBase Database · checked Sep 13, 2026
7	IP Solved	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	11-50	15 contacts →
	Indirect evidence “We’re not just IP experts – we’re your strategic growth partners.” Source: RevenueBase Database · checked Sep 13, 2026
8	Baxter Ip, Patent & Trade Mark Attorneys	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	11-50	14 contacts →
	Partial evidence “Baxter IP is a full-service Australian & NZ patent and trademark attorney firm offering searches, filings and enforcement of intellectual property rights internationally.” Source: RevenueBase Database · checked Sep 13, 2026
9	Wallington-Dummer Patent And Trade Mark Attorneys	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	13 contacts →
	Indirect evidence “Wallington-Dummer specialises in the needs of innovators in the early stages of developing intellectual property rights.” Source: RevenueBase Database · checked Sep 13, 2026
10	Quest Legal	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	11 contacts →
	Partial evidence “Quest Legal is a commercial and intellectual property practice that specialises in making the law more accessible and understandable for individuals and businesses.” Source: RevenueBase Database · checked Sep 13, 2026
11	Xvii Degrees	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	8 contacts →
	Indirect evidence “We love protecting your IP as much as you love creating it.” Source: RevenueBase Database · checked Sep 13, 2026
12	S&a LAW PTY LTD	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	8 contacts →
	Partial evidence “S&A Law is a Sydney-based boutique law firm specializing in intellectual property, corporate law, and litigation.” Source: RevenueBase Database · checked Sep 13, 2026
13	IP Guardian PTY LTD	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	8 contacts →
	Indirect evidence “IP Guardian provides clients with commercially focused intellectual property advice.” Source: RevenueBase Database · checked Sep 13, 2026
14	Voice Lawyers	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	8 contacts →
	Partial evidence “We help individuals, business owners, and corporates to feel at ease in the security that their legal needs are being cared for by one dedicated law service.” Source: RevenueBase Database · checked Sep 13, 2026
15	Crawford DE Carne Lawyers	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	6 contacts →
	Indirect evidence “Crawford de Carne is legal services firm.” Source: RevenueBase Database · checked Sep 13, 2026
16	Gestalt LAW	Strong evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	5 contacts →
	Strong evidence “Gestalt Law is a Sydney, Australia based firm of Patent and Trade Mark Attorneys and Intellectual Property Lawyers.” Source: RevenueBase Database · checked Sep 13, 2026
17	Brandu Legal	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	4 contacts →
	Indirect evidence “Founded in 2009 by Natalie Murray-Jones, brandU Legal has become leaders in the world of IP with a clear capacity to deliver efficient IP management and expert legal counsel to…” Source: RevenueBase Database · checked Sep 13, 2026
18	Hazan Hollander	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	4 contacts →
	Indirect evidence “With over 20 years experience and head offices in Sydney and Melbourne's capital cities, Hazan and Hollander has established a strong reputation with SMEs in all areas of…” Source: RevenueBase Database · checked Sep 13, 2026
19	W3ip LAW	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	4 contacts →
	Indirect evidence “Globalisation means many things.” Source: RevenueBase Database · checked Sep 13, 2026
20	Caska IP	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	2 contacts →
	Indirect evidence “Caska IP is a boutique specialist intellectual property "IP" firm based in Sydney and Newcastle, Australia.” Source: RevenueBase Database · checked Sep 13, 2026
21	IP Service International	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	2 contacts →
	Partial evidence “IP SERVICE INTERNATIONAL, a global law firm founded in 2014, safeguards and manages intellectual property assets for businesses of all sizes, from startups to multinationals.” Source: RevenueBase Database · checked Sep 13, 2026
22	Bloom IP	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	1 contacts →
	Partial evidence “Bloom IP is an Australian boutique intellectual property law firm with a difference.” Source: RevenueBase Database · checked Sep 13, 2026
23	Blackwattle IP	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	1 contacts →
	Partial evidence “Blackwattle IP is a boutique patent and trade mark attorney firm based in Sydney, Australia.” Source: RevenueBase Database · checked Sep 13, 2026
24	Acrogon IP	Partial evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	1 contacts →
	Partial evidence “We are an independent boutique Patent and Trade Mark Attorney and Intellectual Property consultancy firm, representing both local and foreign clients in Australia and New Zealand.” Source: RevenueBase Database · checked Sep 13, 2026
25	Forte IP	Indirect evidence	Sydney, AustraliaHQ checked Sep 13, 2026	1-10	1 contacts →
	Indirect evidence “Forte IP’s commitment to our clients is at the core of everything we do.” Source: RevenueBase Database · checked Sep 13, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: patent law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names patent law firms.
Partial evidence: Its own public description names part of patent law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name patent law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 32 patent law firms based in Sydney, Australia

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Patent law firms based in Sydney, Australia at a glance

As of Sep 13, 2026

62.7%Verified-email coverage

3.9%Mobile-number coverage

24.1Average contacts per company

1-10Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 16.0d

3550–30

12631–60

061–90

190–180

1180+

Company record updated

Median 69.0d

00–30

31031–60

35461–90

7790–180

29180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among patent law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Sydney, Australia whose own description of what they do matches “patent law firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names patent law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among patent law firms, and records with no verified work email. Companies headquartered outside Sydney are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 483 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 13, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names patent law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many patent law firms are there based in Sydney, Australia?

RevenueBase identified 32 patent law firms headquartered in Sydney, Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Spruson & Ferguson, headquartered in Sydney, tops this list with the largest team on record.

Which city in Australia has the most patent law firms?

Sydney leads Australia with 31 headquartered companies, followed by Melbourne (18) and Brisbane (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 483 verified decision-maker contacts tracked across these 32 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 13, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.